\header {
texidoc="Beams are place automatically; the last measure should have a single 
beam."
}

\version "2.6.0"

\layout  { raggedright = ##t } 

\score {
   \relative c'' {
    a\longa a\breve  
    a1 a2 a4 a8 a16 a32 a64 a64 
  }
  \layout {
    \context {
      \Staff
      \remove "Clef_engraver"
    }
  }
}

